China Standard Negative Pressure Wound Therapy Medical Vacuum Pump vacuum pump design

Product Description

Introduction

Product Features

With ultra-low negative pressure design (-50mmHg to -450mmHg) which is continuously adjustable.

With super-smart design and multi operating mode which is more practical.

With stable performance and long life which can operate more than 10,000 hours continuously.

The elaborate designed muffler system controls running noise of the device in a very low range (less than 45 dB), which does not affect the patient’s rest.

With microcomputer chip controlled, it has high accuracy and user-friendly operation interface.

Its intelligent memory system can automatically record the parameters and modes in the last setup, free from repeatedly setting after each starting up.

LCD digital display makes it convenient for user to adjust and operate.

 

Multiple safety power supply solutions:

1 .It adopts AC/DC power supply with the host in use of full DC power, having no danger of electric shock; 

2.lts built-in spare battery may still endure 4 hours after a power failure, while it can last 8 hours in intermittent mode;

3.A 12V 5A vehicle DC power supply can also be used to ensure the continuous treatment of patients with negative pressure suction unit, when being transferred or going out;

Equipped with overflow alarm device, the unit will automatically stop in service and alarm when the dirty liquid reaches the warning line, to prevent the solution into the host and to avoid secondary pollution and damage.

With the function of automatic gas-leak alarm, the unit will then spontaneously stop and alarm when the negative pressure value remains no change within 10 minutes after the operation.

Multiple safety protections: gas-leak alarm, automatic overheat prevention, overflow prevention, etc.

 

Product Property

Adjustable scope: lOmmHg

Negative pressure range: -50 mmHg -450 mmHg; pressure display error: +0.2%

Suction flow: 1.51 /min~ 8.0L /min

Intelligence Setup: multi operation setup, more practical 

Noise:not more than 45Db

External power supply:

12V 5A DC switch power (medically certified); the host, DC powered, has no risk of electric shock

Operation status:continuous and intermit-10t

multiple safety protections:

leakage alarm; automatic heat

dissipation while overheated,

anti-overflow protection

 

Scope of Application:

Suitable of acute wound,chronic diabetic wound and wound drainage of more exudate after surgery.

 

Contraindications:

Debridement undone or wound with the necrotic eschar; Wound with tumor tissue;Sinus connected with the organs; Wound with great vessels or organs exposed.

Packing list:
 

NO. Description Quantity
1 Negative Pressure Drainage Device 1
2 AC Adapter & AC cable 1
3 User  Manual 1
4 Solution collection bottle 1
5 Bottle cap 1
6 Connection interface 3
7 Silicon gel bent pipe 3
8 Filter 3
9 European standard plug 1

Case 1
1. Right foot skin necrosis, infection;
2. Open fractures of the first wedge of the right foot;
3. After debridement suture of right foot skin laceration;
4. After open fracture operation of middle and lower segment of right femur.

 

FAQ

FAQ  

Q1Are you trade company or manufacture?

A1: We are manufacture. We have 2 factories in HangZhou and HangZhou City, and we sincerely welcome you visit our factory.

Q2Can I get some samples?

A2: We are glad to offer you free sample.

Q3:What certificate does your company have?

A3: CE, EN ISO13485 Certification. If you need, we can send you the copy.

Q4Are the OEM and ODM available?

A4: Yes. We offer OEM and ODM service. About new product, you can send us your sample. And we make sample for you. For your own brand, you can also send us your design of package and we make the package according to your requirement.

Q5What is the Grade of your clean room?

A5: Our clean room is 100,000 grades.

Q6If we need registration in our own country, then what kind of assistance you can offer?

A6: We can prepare the documents you need; free sample and other thing that can help you finish the registration.

Q7Is there cheap shipping cost to import to our country?

A7: For small order, express will be best. And for bulk order, sea ship way is best but take much time. For urgent orders, we suggest via air to airport plus our ship partner send to your door.

Q8: Can we get support if we have our own market position?

A8: Please inform us your detailed mind on your market demand, we will discuss and propose helpful suggestion for you, to find the best solution for you.

 

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Type: Portable
Function: Treatment
Certification: CE, ISO13485
LCD Display: With LCD Display
Group: Adult
Adjustable Scope: 10mmhg.
Customization:
Available

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Vacuum Pump

Types of vacuum pumps

A vacuum pump is a device that draws gas molecules from a sealed volume and leaves a partial vacuum in its wake. Its job is to create a relative vacuum within a specific volume or volume. There are many types of vacuum pumps, including centrifugal, screw and diaphragm.

Forward centrifugal pump

Positive displacement centrifugal vacuum pumps are one of the most commonly used pump types in the oil and gas industry. Their efficiency is limited to a range of materials and can handle relatively high solids concentrations. However, using these pumps has some advantages over other types of pumps.
Positive displacement pumps have an enlarged cavity on the suction side and a reduced cavity on the discharge side. This makes them ideal for applications involving high viscosity fluids and high pressures. Their design makes it possible to precisely measure and control the amount of liquid pumped. Positive displacement pumps are also ideal for applications requiring precise metering.
Positive displacement pumps are superior to centrifugal pumps in several ways. They can handle higher viscosity materials than centrifuges. These pumps also operate at lower speeds than centrifugal pumps, which makes them more suitable for certain applications. Positive displacement pumps are also less prone to wear.
Positive displacement vacuum pumps operate by drawing fluid into a chamber and expanding it to a larger volume, then venting it to the atmosphere. This process happens several times per second. When maximum expansion is reached, the intake valve closes, the exhaust valve opens, and fluid is ejected. Positive displacement vacuum pumps are highly efficient and commonly used in many industries.

Self-priming centrifugal pump

Self-priming centrifugal pumps are designed with a water reservoir to help remove air from the pump. This water is then recirculated throughout the pump, allowing the pump to run without air. The water reservoir can be located above or in front of the impeller. The pump can then reserve water for the initial start.
The casing of the pump contains an increasingly larger channel forming a cavity retainer and semi-double volute. When water enters the pump through channel A, it flows back to the impeller through channels B-C. When the pump is started a second time, the water in the pump body will be recirculated back through the impeller. This recycling process happens automatically.
These pumps are available in a variety of models and materials. They feature special stainless steel castings that are corrosion and wear-resistant. They can be used in high-pressure applications and their design eliminates the need for inlet check valves and intermediate valves. They can also be equipped with long intake pipes, which do not require activation.
Self-priming centrifugal pumps are designed to run on their own, but there are some limitations. They cannot operate without a liquid source. A foot valve or external liquid source can help you start the self-priming pump.

Screw Pump

The mechanical and thermal characteristics of a screw vacuum pump are critical to its operation. They feature a small gap between the rotor and stator to minimize backflow and thermal growth. Temperature is a key factor in their performance, so they have an internal cooling system that uses water that circulates through the pump’s stator channels. The pump is equipped with a thermostatically controlled valve to regulate the water flow. Also includes a thermostatic switch for thermal control.
Screw vacuum pumps work by trapping gas in the space between the rotor and the housing. The gas is then moved to the exhaust port, where it is expelled at atmospheric pressure. The tapered discharge end of the screw further reduces the volume of gas trapped in the chamber. These two factors allow the pump to work efficiently and safely.
Screw vacuum pumps are designed for a variety of applications. In some applications, the pump needs to operate at very low pressures, such as when pumping large volumes of air. For this application, the SCREWLINE SP pump is ideal. Their low discharge temperature and direct pumping path ensure industrial process uptime. These pumps also feature non-contact shaft seals to reduce mechanical wear. Additionally, they feature a special cantilever bearing arrangement to eliminate potential sources of bearing failure and lubrication contamination.
Screw vacuum pumps use an air-cooled screw to generate a vacuum. They are compact, and clean, and have a remote monitoring system with built-in intelligence. By using the app, users can monitor pump performance remotely.
Vacuum Pump

Diaphragm Pump

Diaphragm vacuum pumps are one of the most common types of vacuum pumps found in laboratories and manufacturing facilities. The diaphragm is an elastomeric membrane held in place around the outer diameter. While it is not possible to seal a diaphragm vacuum pump, there are ways to alleviate the problems associated with this design.
Diaphragm vacuum pumps are versatile and can be used in a variety of clean vacuum applications. These pumps are commercially available with a built-in valve system, but they can also be modified to include one. Because diaphragm pumps are so versatile, it’s important to choose the right type for the job. Understanding how pumps work will help you match the right pump to the right application.
Diaphragm vacuum pumps offer a wide range of advantages, including an extremely long service life. Most diaphragm pumps can last up to ten thousand hours. However, they may be inefficient for processes that require deep vacuum, in which case alternative technologies may be required. Additionally, due to the physics of diaphragm pumps, the size of these pumps may be limited. Also, they are not suitable for high-speed pumping.
Diaphragm vacuum pumps are a versatile subset of laboratory pumps. They are popular for their oil-free construction and low maintenance operation. They are available in a variety of styles and have many optional features. In addition to low maintenance operation, they are chemically resistant and can be used with a variety of sample types. However, diaphragm pumps tend to have lower displacements than other vacuum pumps.

Atmospheric pressure is a key factor in a vacuum pump system

Atmospheric pressure is the pressure created by the collision of air molecules. The more they collide, the greater the pressure. This applies to pure gases and mixtures. When you measure atmospheric pressure, the pressure gauge reads about 14.7 psia. The higher the pressure, the greater the force on the gas molecules.
The gas entering the vacuum pump system is below atmospheric pressure and may contain entrained liquids. The mechanism of this process can be explained by molecular kinetic energy theory. The theory assumes that gas molecules in the atmosphere have high velocities. The resulting gas molecules will then start moving in random directions, colliding with each other and creating pressure on the walls of the vacuum vessel.
Atmospheric pressure is a critical factor in a vacuum pump system. A vacuum pump system is useless without proper atmospheric pressure measurement. The pressure in the atmosphere is the total pressure of all gases, including nitrogen and oxygen. Using total pressure instead of partial pressure can cause problems. The thermal conductivity of various gases varies widely, so working at full pressure can be dangerous.
When choosing a vacuum pump, consider its operating range. Some pumps operate at low atmospheric pressure, while others are designed to operate at high or ultra-high pressure. Different types of pumps employ different technologies that enhance their unique advantages.
Vacuum Pump

The screw pump is less efficient in pumping gases with smaller molecular weight

Vacuuming requires a high-quality pump. This type of pump must be able to pump gas of high purity and very low pressure. Screw pumps can be used in laboratory applications and are more efficient when pumping small molecular weight gases. Chemical resistance is critical to pump life. Chemical resistant materials are also available. Chemically resistant wetted materials minimize wear.
Gear pumps are more efficient than screw pumps, but are less efficient when pumping lower molecular weight gases. Gear pumps also require a larger motor to achieve the same pumping capacity. Compared to gear pumps, progressive cavity pumps also have lower noise levels and longer service life. In addition, gear pumps have a large footprint and are not suitable for tight spaces.
Progressive cavity pumps have two or three screws and a housing and side cover. They are also equipped with gears and bearings. Their mechanical design allows them to operate in high pressure environments with extremely low noise. The progressive cavity pump is a versatile pump that can be used in a variety of applications.
Dry screw compressors have different aspect ratios and can operate at high and low pressures. The maximum allowable differential pressure for screw compressors ranges from 0.4 MPa for 3/5 rotors to 1.5 MPa for 4/6 rotors. These numbers need to be determined on a case-by-case basis.

China Standard Negative Pressure Wound Therapy Medical Vacuum Pump   vacuum pump design		China Standard Negative Pressure Wound Therapy Medical Vacuum Pump   vacuum pump design
editor by CX 2024-04-02